(1)
.ts probably isn't defined as associated to BS.Player?
(rightclick >) Options > Preferences > General > File types
Verify if it is in the list of "Associated extensions".
If not, there is a white box just above [Add extension]-button.
Type 'ts' in it and then add it as extension.
(2)
Number of version and build of BS.Player (or maybe BS.Player Pro)?
(3)
With that videofile loaded: what is shown under
(rightclick >) Options > Filters > Advanced?
(NB: Clicking in the [+]-signs reveals futher info and access to the filters/codecs shown)